Finding the Fourth Proportional to 298,944,452.40, 448,416,678.60 and 225,286,729.80
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Solution
The fourth proportional to 298,944,452.40, 448,416,678.60 and 225,286,729.80 is: 337,930,094.70
Step by Step Solution
- Step 1: Write the proportion equation
298,944,452.40 : 448,416,678.60 = 225,286,729.80 : x - Step 2: Convert to fraction form
298,944,452.40/448,416,678.60 = 225,286,729.80/x - Step 3: Cross multiply
298,944,452.40x = 448,416,678.60 × 225,286,729.80 - Step 4: Simplify right side
298,944,452.40x = 101,022,327,109,571,648 - Step 5: Solve for x
x = 101,022,327,109,571,648/298,944,452.40 - Step 6: Final answer
x = 337,930,094.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.